47073245 has 4 divisors (see below), whose sum is σ = 56487900. Its totient is φ = 37658592.

The previous prime is 47073199. The next prime is 47073253. The reversal of 47073245 is 54237074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54237074 = 2 ⋅27118537.

It can be written as a sum of positive squares in 2 ways, for example, as 37100281 + 9972964 = 6091^2 + 3158^2 .

It is a cyclic number.

It is not a de Polignac number, because 47073245 - 2²⁴ = 30296029 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707320 + ... + 4707329.

It is an arithmetic number, because the mean of its divisors is an integer number (14121975).

Almost surely, 2^47073245 is an apocalyptic number.

It is an amenable number.

47073245 is a deficient number, since it is larger than the sum of its proper divisors (9414655).

47073245 is an equidigital number, since it uses as much as digits as its factorization.

47073245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9414654.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 47073245 is about 6860.9944614465. The cubic root of 47073245 is about 361.0699777123.

The spelling of 47073245 in words is "forty-seven million, seventy-three thousand, two hundred forty-five".